47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
#ifndef crypto_scalarmult_H
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#define crypto_scalarmult_H
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#include <stddef.h>
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#include "crypto_scalarmult_curve25519.h"
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#include "export.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define crypto_scalarmult_BYTES crypto_scalarmult_curve25519_BYTES
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SODIUM_EXPORT
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size_t crypto_scalarmult_bytes(void);
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#define crypto_scalarmult_SCALARBYTES crypto_scalarmult_curve25519_SCALARBYTES
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SODIUM_EXPORT
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size_t crypto_scalarmult_scalarbytes(void);
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#define crypto_scalarmult_PRIMITIVE "curve25519"
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SODIUM_EXPORT
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const char *crypto_scalarmult_primitive(void);
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SODIUM_EXPORT
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int crypto_scalarmult_base(unsigned char *q, const unsigned char *n)
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__attribute__ ((nonnull));
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/*
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* NOTE: Do not use the result of this function directly for key exchange.
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*
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* Hash the result with the public keys in order to compute a shared
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* secret key: H(q || client_pk || server_pk)
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*
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* Or unless this is not an option, use the crypto_kx() API instead.
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*/
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SODIUM_EXPORT
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int crypto_scalarmult(unsigned char *q, const unsigned char *n,
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const unsigned char *p)
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__attribute__ ((warn_unused_result)) __attribute__ ((nonnull));
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#ifdef __cplusplus
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}
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#endif
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#endif
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